Home / 173,889.36-239,557.64-163,426.61

Finding the Fourth Proportional to 173,889.36, 239,557.64 and 163,426.61

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Solution

The fourth proportional to 173,889.36, 239,557.64 and 163,426.61 is: 225,143.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,889.36 : 239,557.64 = 163,426.61 : x
  2. Step 2: Convert to fraction form
    173,889.36/239,557.64 = 163,426.61/x
  3. Step 3: Cross multiply
    173,889.36x = 239,557.64 × 163,426.61
  4. Step 4: Simplify right side
    173,889.36x = 39,150,093,399.41
  5. Step 5: Solve for x
    x = 39,150,093,399.41/173,889.36
  6. Step 6: Final answer
    x = 225,143.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.